Resubmissions

30/05/2025, 15:17

250530-spjflsyvdy10

17/01/2025, 15:11

250117-sk4kzssrhv10

17/01/2025, 15:09

250117-sjgd3asrbs10

17/01/2025, 15:07

250117-shlbmasqgv10

17/01/2025, 14:27

250117-rsndas1pgx10

16/01/2025, 17:37

250116-v7e71s1ncy10

16/01/2025, 17:30

250116-v27eba1lew10

16/01/2025, 17:29

250116-v232ws1let3

16/01/2025, 17:29

250116-v21lrs1ldz3

16/01/2025, 17:27

250116-v1g32a1qfk10

General

  • Target
    4363463463464363463463463.exe.zip
  • Size 4KB
  • Sample250117-rsndas1pgx
  • SHA256 bd948aeb2b607b34e8d32f22b9e5aee402057adebae4a2e0c70bd666e688f1f8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • Office04

C2
  • 4.tcp.us-cal-1.ngrok.io:18092

Mutex
  • 11bbf22e-826e-486b-b024-adbd86228a9e

Attributes
  • encryption_key

    7A589EDBC6A581E125BF830EF0D05FC74BB75E30

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    ctfmon

  • subdirectory

    SubDir

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • SGVP

C2
  • 192.168.1.9:4782

  • 150.129.206.176:4782

  • Ai-Sgvp-33452.portmap.host:33452

Mutex
  • eeeb55fc-ba05-43e4-97f6-732f35b891b4

Attributes
  • encryption_key

    09BBDA8FF0524296F02F8F81158F33C0AA74D487

  • install_name

    User Application Data.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windowns Client Startup

  • subdirectory

    Quasar

Extracted

Family
  • lumma

C2
  • https://covvercilverow.shop/api

  • https://surroundeocw.shop/api

  • https://abortinoiwiam.shop/api

  • https://pumpkinkwquo.shop/api

  • https://priooozekw.shop/api

  • https://deallyharvenw.shop/api

  • https://defenddsouneuw.shop/api

  • https://racedsuitreow.shop/api

  • https://roaddrermncomplai.shop/api

  • https://impend-differ.biz/api

  • https://print-vexer.biz/api

  • https://dare-curbys.biz/api

  • https://covery-mover.biz/api

  • https://formy-spill.biz/api

  • https://dwell-exclaim.biz/api

  • https://zinc-sneark.biz/api

  • https://se-blurry.biz/api

  • https://atten-supporse.biz/api

Extracted

Family
  • xworm

C2
  • 193.222.96.100:5555

  • 163.5.215.245:9049

Attributes
  • Install_directory

    %Temp%

  • install_file

    requirements.exe

aes.plain

Extracted

Family
  • quasar

Version
  • 1.4.0

Botnet
  • Office04

C2
  • 192.168.31.99:4782

  • 2001:4bc9:1f98:a4e::676:4782

  • 255.255.255.0:4782

  • fe80::cabf:4cff:fe84:9572%17:4782

Mutex
  • 1f65a787-81b8-4955-95e4-b7751e10cd50

Attributes
  • encryption_key

    A0B82A50BBC49EC084E3E53A9E34DF58BD7050B9

  • install_name

    Java Updater.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Java Updater

  • subdirectory

    SubDir

Extracted

Family
  • redline

Botnet
  • @glowfy0

C2
  • 91.214.78.86:1912

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • powerstealer

C2
  • 192.168.56.1:4782

Mutex
  • 6760d0e9-9df9-4aba-89be-4e5ce3e92cc8

Attributes
  • encryption_key

    057FCAF700E62ACFECC7338C474084AF9B47ABEB

  • install_name

    powerstealer.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Extracted

Family
  • quasar

Version
  • 1.1.0.0

Botnet
  • User

C2
  • erbaevbann3.ddns.net:4444

Mutex
  • xTSR_MUTEX_tDOmSpZY0vhNMbdmkR

Attributes
  • encryption_key

    Uz3u2uI4Ld2N91oq93Eb

  • install_name

    systemware.exe

  • log_directory

    logs

  • reconnect_delay

    3000

  • startup_key

    System Ware

  • subdirectory

    system

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • 0.tcp.eu.ngrok.io:15174

Mutex
  • aNoM7pvDUvoo

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family
  • asyncrat

Version
  • AsyncRAT

Botnet
  • Default

C2
  • yyyson22.gleeze.com:4608

Mutex
  • dw

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      4363463463464363463463463.exe.bin
    • Size 10KB
    • SHA256 2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce
    • MD5 SHA1 SHA512 SSDEEP
    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Asyncrat family

    • Detect Xworm Payload

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Njrat family

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • Redline family

    • UAC bypass

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Async RAT payload

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks